I was waiting stopped at a red light and suddenly my car turned off.. it turned right on
again but I noticed that my rpm while having the car on drive and foot on bread the idle
rpm went below the 1 ...

purchased new (500 miles) 8/07 from dealer, currently has 21000, 1/3 are highway miles,and the brake master cylinder needs replacing...dealer only item??? is this a common malady for this model etc??...